Search Results - "Seem, R.C."

Simulation of surface wetness with a water budget and energy balance approach by Magarey, R.D., Russo, J.M., Seem, R.C.

“…Surface wetness plays an important role in environmental studies. In particular, it is a major variable for plant disease prediction. Surface wetness is…”
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Grape canopy surface wetness: Simulation versus visualization and measurement by Magarey, R.D., Seem, R.C., Russo, J.M.

“…Surface wetness is commonly measured with electronic sensors but simulation is a promising alternative, although these methods have rarely been compared…”
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Disease resistance analyses of transgenic grapevines that contain endochitinase or antimicrobial peptide genes by Kikkert, J.R, Vidal, J.R, Wallace, P.G, Garcia-Zitter, S, Wilcox, W.F, Gadoury, D.M, Seem, R.C, Burr, T.J, Rosenfield, C.L, Samuelian, S, Reisch, B.I

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How cool temperatures affect Erwinia amylovora populations on the apple stigma surface by Dewdney, M.M, Seem, R.C, Aldwinckle, H.S, Svircev, A.M, Kim, W.S

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Disease resistance analyses of transgenic grapevines that contain endochitinase or antimicrobial peptide genes by Kikkert, J.R, Vidal, J.R, Wallace, P.G, Reisch, B.I, Garcia-Zitter, S, Wilcox, W.F, Gadoury, D.M, Seem, R.C, Burr, T.J

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Potential of a local-area agricultural weather simulation system (LAWSS), for disease forecasting by Magarey, R.D, Seem, R.C, Zack, J.W

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Primary Infection, Lesion Productivity, and Survival of Sporangia in the Grapevine Downy Mildew Pathogen Plasmopara viticola by Kennelly, M.M, Gadoury, D.M, Wilcox, W.F, Magarey, P.A, Seem, R.C

“…Several aspects of grapevine downy mildew epidemiology that are fundamental to model predictions were investigated. Simple rainfall-, temperature-, and…”
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Seasonal development of ontogenic resistance to downy mildew in grape berries and rachises by Kennelly, M.M, Gadoury, D.M, Wilcox, W.F, Magarey, P.A, Seem, R.C

“…Clusters of Vitis vinifera and V. labrusca are reported to become resistant to Plasmopara viticola at stages of development ranging from 1 to 6 weeks…”
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Effects of Diffuse Colonization of Grape Berries by Uncinula necator on Bunch Rots, Berry Microflora, and Juice and Wine Quality by Gadoury, D.M, Seem, R.C, Wilcox, W.F, Henick-Kling, T, Conterno, L, Day, A, Ficke, A

“…Production of grape (principally cultivars of Vitis vinifera) for high-quality wines requires a high level of suppression of powdery mildew (Uncinula necator…”
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Impact of Diurnal Periodicity, Temperature, and Light on Sporulation of Bremia lactucae by Nordskog, B, Gadoury, D.M, Seem, R.C, Hermansen, A

“…We evaluated direct and interactive effects of light quality and intensity, temperature and light, diurnal rhythms, and timing of high relative humidity during…”
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Translating research into the field: how it started, how it is practised and how we carry out grape powdery mildew research by Seem, R.C, Gadoury, D.M

“…The idea of providing technical assistance to farmers in the United States had its origins in the mid 19th century as universities became more egalitarian…”
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Host barriers and responses to Uncinula necator in developing grape berries by Ficke, A, Gadoury, D.M, Seem, R.C, Godfrey, D, Dry, I.B

“…Grape berries are highly susceptible to powdery mildew 1 week after bloom but acquire ontogenic resistance 2 to 3 weeks later. We recently demonstrated that…”
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Effects of ontogenic resistance upon establishment and growth of Uncinula necator on grape berries by Ficke, A, Gadoury, D.M, Seem, R.C, Dry, I.B

“…ABSTRACT Grape berries become resistant to powdery mildew early in development and are nearly immune to infection within 4 weeks after bloom. In this study,…”
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Surface wetness duration under controlled environmental conditions by Magarey, R.D, Russo, J.M, Seem, R.C, Gadoury, D.M

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Incidence and severity relationships of secondary infections of powdery mildew [Podosphaera leucotricha] on apple by Seem, R.C, Gilpatrick, J.D

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Surface wetness duration under controlled environmental conditions by Magarey, R.D., Russo, J.M., Seem, R.C., Gadoury, D.M.

“…Surface wetness is an important variable for forecasting plant disease. It is commonly measured with sensors, but these provide an indirect measurement and…”
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effect of apple blossom age on populations of Erwinia amylovora on the stigma surface by Dewdney, M.M, Seem, R.C, Aldwinckle, H.S

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Control of Powdery Mildew in Wild and Cultivated Grapes by a Tydeid Mite by English-Loeb, Greg, Norton, Andrew P, Gadoury, David M, Seem, Robert C, Wilcox, Wayne F

“…The leaf surface of woody perennials is inhabited by an extraordinary diversity of mites. Although a majority of these mite species are thought to feed on…”
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Ascospore release and infection of apple leaves by conidia and ascospores of Venturia inaequalis at low temperatures by Stensvand, A, Gadoury, D.M, Amundsen, T, Semb, L, Seem, R.C

“…Mills' infection period table describes the number of hours of continuous leaf wetness required at temperatures from 6 to 25 degrees C for infection of apple…”
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Estimating disease risk at the whole plant level with General Circulation Models by Seem, R.C., Magarey, R.D., Zack, J.W., Russo, J.M.

“…“Capsule”: Methods have been developed to scale weather information from the global down to the plant scale. General Circulation Models (GCMs) have been…”
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